1,4-Epoxy-1H,3H-(1,4)oxazepino(4,3-a)benzimidazole, 4,5-dihydro-1-phenyl- 4,5-Dihydro-1-phenyl-1,4-epoxy-1H,3H-(1,4)oxazepino(4,3-a)benzimidazole 56969-22-3 BRN 1144898 EINECS 260-484-6 MD 720111 Oxapadol Oxapadol [INN] Oxapadolum [INN-Latin]